Suranjana TewariAsia business correspondent, Hokkaido, JapanGetty ImagesHokkaido is a tourism and agricultural region, but Rapidus is making chips there too The island of Hokkaido has long been an agricultural powerhouse – now Japan is investing billions to turn it into a global hub for advanced semiconductors.More than half of Japan's dairy produce comes from Hokkaido, the northernmost of its main islands. In winter, it's a wonderland of ski resorts and ice-sculpture festivals; in summer, fiel...